Table 3.
MIC by percentage (v/v) of select essential oils against C. auris (AR0381, AR0385), C. lusitaniae (AR0398), and S. cerevisiae (AR0399). Tests were conducted in triplicate. Coloration is based on inhibitory concentrations in C. auris. Green: MIC < 0.1%; yellow: MIC < 1.0%; red: MIC ≥ 1.0% or not detected.
| Essential Oil | AR0381 | AR0385 | AR0398 | AR0399 |
|---|---|---|---|---|
| Tea Tree | 0.25% | 0.13% | 0.50% | 0.50% |
| Geranium | 0.13% | 0.06% | 0.50% | 0.25% |
| Lime Peel | 0.25% | 0.13% | 1.0% | >1.0% |
| Eucalyptus | >1.0% | >1.0% | >1.0% | >1.0% |
| Peppermint | 0.25% | 0.25% | 1.0% | 1.0% |
| Manuka | 0.25% | 1% | >1.0% | 1.0% |
| Clove Bud | 0.01% | 0.02% | 0.06% | 0.25% |
| Myrrh | 0.13% | 0.13% | 1.0% | 1.0% |
| Spearmint | 0.13% | 0.06% | 0.50% | >1.0% |
| Cinnamon Leaf | <0.01% | <0.01% | 0.13% | 0.25% |
| Cinnamon Bark | <0.01% | <0.01% | <0.01% | <0.01% |
| Bergamot | 0.25% | 0.13% | >1.0% | >1.0% |
| Lemon | >1.0% | >1.0% | >1.0% | >1.0% |
| Frankincense | 1.0% | 1.0% | >1.0% | >1.0% |
| Coriander | 0.50% | 0.50% | 1.0% | 1.0% |
| Bitter Orange | >1.0% | >1.0% | >1.0% | >1.0% |
| Grapefruit | >1.0% | >1.0% | >1.0% | >1.0% |
| Lavender | 1.0% | 1.0% | 1.0% | >1.0% |
| Ginger | 1.0% | >1.0% | >1.0% | >1.0% |
| Basil | 0.13% | 0.50% | >1.0% | >1.0% |
| Lemongrass | 0.02% | 0.03% | 0.13% | 0.25% |